The Department of Statistics at Columbia University is an extraordinarily vibrant academic community of world-class faculty, a mixture of young and experienced researchers who are world leaders in a diverse set of areas of probability theory, applied and theoretical statistics, and computing, authors of leading textbooks and definitive monographs in various topics in probability theory and statistics. As one of the earliest department of statistics in the United States, the department has a long celebrated history of excellence in both research and education. The department has strong links to other departments and centers around the university, including computer science, data science, mathematics, psychology, sociology, political science, social work, medicine, public health, genetics, and neuroscience, which provide opportunities for students and faculty alike to contribute to important application areas, and to develop new methods in response to the demands of cutting-edge applied research.